Halley is a distinctive girls' name in United States, ranking #2425 in 2007 with 78 recorded births. The name reached its all-time peak in 2000 with 180 births ranking #1136. Since 1996, the popularity has decreased by 41.8%. In 2007, approximately 1 in every 24,647 girls born was named Halley. FALLING Recent data shows the name is currently falling.